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IOS 15.x images are significantly larger than legacy IOS 12.2 images.
configure terminal boot system flash:c3560-ipservicesk9-mz.150-2.SE11.bin end write memory Use code with caution.
Upgrading from the restrictive ipbase feature tier to ipservices completely shifts the device from a Layer 2 switch with basic static routing into a robust, advanced Layer 3 routing platform. Feature Domain IP Base Tier Capabilities IP Services Tier (15.0(2)SE11) RIPv1/v2, EIGRP Stub routing Full OSPF (v2/v3), EIGRP, BGPv4, IS-IS Multicast Routing PIM Stub Routing PIM-SM, PIM-DM, PIM Sparse-Dense Mode, BSR Advanced Security Basic ACLs, Standard Port Security Dynamic ARP Inspection (DAI), IP Source Guard, VRF-Lite IPv6 Support Basic IPv6 host management IPv6 MLD Snooping, IPv6 Dynamic Routing (OSPFv3) High-Utility Feature Profiles in 15.0(2)SE11 1. True Multi-VRF (VRF-Lite)
tag indicates that the image supports strong payload encryption, including features like SSH (Secure Shell) and SNMPv3, which are essential for secure remote management. Breakdown of the Version Number: 15.0(2)SE11 Major Release (15.0) c3560ipservicesk9mz1502se11bin top
: Support for Sparse Mode (SM), Dense Mode (DM), and Source-Specific Multicast (SSM).
Switch# show flash
Switch# archive download-sw /overwrite tftp://[tftp-server-ip]/c3560ipservicesk9-tar.150-2.SE11.tar IOS 15
Before any upgrade, save both the running configuration and startup configuration. Use these commands from privileged EXEC mode:
: Provides comprehensive IPv6 support, including hardware-based IPv6 forwarding and IPv6 First Hop Security features like RA Guard , DHCPv6 Guard , and Source Guard .
Enhanced policy-based routing (PBR) and VLAN maps. Installation and Best Practices Feature Domain IP Base Tier Capabilities IP Services
Unexpected crashes during high-density multicast or routing table calculations. Legacy Longevity
: Comprehensive IPv6 unicast and multicast routing.
: The raw executable binary file designed to be executed directly by the bootloader or embedded memory system. Hardware Compatibility & Memory Check